Pith Number

pith:NU55U56R

pith:2022:NU55U56RL2OT3DXU3YP2MCUTBT

not attested not anchored not stored refs pending

PerfectDou: Dominating DouDizhu with Perfect Information Distillation

Fei Fang, Guangjun Zeng, Guan Yang, Minghuan Liu, Weijun Hong, Weinan Zhang, Yue Lin

arxiv:2203.16406 v7 · 2022-03-30 · cs.AI · cs.GT · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NU55U56RL2OT3DXU3YP2MCUTBT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T07:49:58.284910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d3bda77d15e9d3d8ef4de1fa60a930ce3e9fbf2e3f98a882025f8684343e35d

Aliases

arxiv: 2203.16406 · arxiv_version: 2203.16406v7 · doi: 10.48550/arxiv.2203.16406 · pith_short_12: NU55U56RL2OT · pith_short_16: NU55U56RL2OT3DXU · pith_short_8: NU55U56R

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NU55U56RL2OT3DXU3YP2MCUTBT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6d3bda77d15e9d3d8ef4de1fa60a930ce3e9fbf2e3f98a882025f8684343e35d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e430a53db47bcc5df0b4d14b5a9c346bcecdfaa540d3d2626055b5b42e830816",
    "cross_cats_sorted": [
      "cs.GT",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-03-30T15:37:57Z",
    "title_canon_sha256": "d21d1ca1de084bc594b6523ceb91f5c8f260ee257259866a1cd51d60e17916b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16406",
    "kind": "arxiv",
    "version": 7
  }
}